<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
		
	</head>
	<body>
		<form method="post" action="upload.php" enctype="multipart/form-data">
			<input name="field" type="hidden" value="xxx" />
			<input name="xxx" type="file" />
			<input type="submit" />
		</form>
	</body>
</html>
	

